The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

Sports history, made in the Arroyo Seco.

One of Hollywood’s favorite government buildings.

Colorado Boulevard’s historic bookstore, operating since the bustling city of Pasadena was merely some orange groves and a few ostrich farms.

A Masterpiece with a Tragic History.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

Hear the quietest sound from across the dome.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

One of England's most famous churches hides a pair of little known architectural treasures.

The final resting place of soldiers' loyal canine companions.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

Erotic art covers the walls of the largest ancient pleasure palace.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The world's largest wooden structure.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

An alien church provides much needed silence in the midst of a Finland shopping center.

A subterranean house of worship carved right out of the bedrock.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

A musical instrument played by the sea.